CN105133797A - Energy-saving and environment-friendly waterproof warming construction method for existing roof surface - Google Patents
Energy-saving and environment-friendly waterproof warming construction method for existing roof surface Download PDFInfo
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- CN105133797A CN105133797A CN201510452230.6A CN201510452230A CN105133797A CN 105133797 A CN105133797 A CN 105133797A CN 201510452230 A CN201510452230 A CN 201510452230A CN 105133797 A CN105133797 A CN 105133797A
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Abstract
The invention discloses an energy-saving and environment-friendly waterproof warming construction method for an existing roof surface. the method comprises steps of spraying anti-crack waterproof mortar, spraying base layer interference agent on an exposed waterproof layer, spraying butyl rubber waterproof coat, conducting first time self-check and acceptance, spraying polyurethane hard foam, conducting second self-check and acceptance, spraying uvioresistant waterproof coating protection layer and conducting third self-check and acceptance. The beneficial effects are that an existing roof surface can be remained during waterproof construction and system construction can be directly conducted; the waterproof warming construction method for the existing roof surface is energy-saving and environment-friendly, requires low cost and possesses great waterproof and safe construction; and effect on bearing quality of the building can be avoided.
Description
Technical field
The present invention relates to waterproof construction field, specifically, namely relate to a kind ofly has the waterproof thermal-insulated construction method of the energy-saving environment-protecting type of roofing.
Background technology
Along with the development of China, high buildings and large mansions in all parts of the country are rised sheer from level ground, and high building stands in great numbers, and the crowded and energy-conserving and environment-protective in city have become everyone all in the problem of concern.Water-proof heat insulation roofing is a kind of water-proof roofing integrating waterproof and thermal insulation, and waterproof is basic function, takes into account thermal insulation simultaneously, and insulation and waterproof are again the important component parts of water-proof heat insulation roofworks.
The roof waterproof and heat insulating layer of traditional architecture industry mainly adopts discrete material, such as, adopt the materials such as slag, expanded vermiculite, expanded perlite to do paving and form, and its Problems existing is that difficulty of construction is large, effect of heat insulation is undesirable again.In the roofing construction of the Existing reinforced concrete bridge transformation of current enforcement, after needing original for roofing waterproofing course to root out, (this insulation layer can be discrete material insulation layer to re-lay new insulation layer, may also be heat-insulating heat-preserving material polystyrene foam plate novel at present), for the protection of the overcoat of insulation layer, and then lay new waterproofing course, like this, coating material is uneven, not only waterproof thermal-insulated effect is not ideal enough, long construction period, construct loaded down with trivial details, comprehensive cost is high, easy breaking out of fire in waterproof thermal-insulated construction, but also cause the wasting of resources, environment pollution, do not meet the energy-saving and emission-reduction requirement of country to building trade.
Therefore, market is needed badly a kind of need not remove namely have roofing, directly carry out system construction, environmental protection, heat preservation energy-saving consumption reduction, construction cost is low, waterproof thermal-insulated effective, construction safety and do not affect the construction method of the load-bearing quality of Building Design.
summary of the invention
Namely the object of this invention is to provide a kind ofly has the waterproof thermal-insulated construction method of the energy-saving environment-protecting type of roofing, to overcome currently available technology above shortcomings.
For realizing above-mentioned technical purpose, technical scheme of the present invention is achieved in that
Namely there is the waterproof thermal-insulated construction method of the energy-saving environment-protecting type of roofing, comprise following concrete steps:
1) anti-cracking and waterproofing mortar is sprayed: clear up namely there being the basic unit of roofing, after base cleaning is clean, carry out anti-cracking waterproof sand oar by predetermined ratio to feed intake, hand blender is adopted to stir after feeding intake, start to carry out spraying application after material stirs, and after three hours, check whether uniform ground in construction, if there is non-uniform phenomenon, repair; Wherein, to when namely having the basic unit of roofing to clear up, the existing waterproofing course of mouthful periphery of being fallen by water carries out excision process, and, when spraying application, spraying application adopts spraying method while stirring to construct, and adopts special wiper to carry out wiper smooth simultaneously, spraying application adopts first far away rear near, and the order that spraying limit, limit retreats is constructed;
2) expose the agent of waterproofing course coat substrate interface: basic unit clears up to cracking resistance Waterproof sand oar, debugging, hot spraying equipment drop into basic unit's interface agent in spraying equipment, carry out spraying application after to be melted, laying glass fabric after spraying application completes; Wherein, spraying application adopts first rear nearly order far away to construct, and all connection details all carry out even application, and must not have grinning effect, glass fabric must not lay tilting phenomenon simultaneously;
3) butyl rubber and plastic water-repellent paint is sprayed: after glass fabric has been laid, debugging, hot spraying equipment drop into butyl rubber and plastic water-repellent paint in spraying equipment, start after to be melted to carry out spraying application, wherein, the water mouthful place that falls sprays according to the principle sprayed to edge from inside, Shui Luokou edge stretch out 50cm scope in carry out spraying application by one times of predetermined coating thickness, outside coiled material, predetermined coating thickness is more than or equal to 3mm; Wherein, spray and want thickness evenly and adopt first far away rear near, the order that spraying limit, limit retreats is constructed;
4) first time self-inspection and examination: seal hollowing, breakage and tilting place and repair, enters next process construction after passed examination;
5) spraying polyurethane rigid foam: carry out insulation layer construction after construction of waterproof layer acceptance(check), some thickness marks are evenly arranged in the region of the hard heat-insulated layer of predetermined spraying polyurethane before construction, thickness mark is perpendicular to base course wall, from base course wall to insulation layer external surface, simultaneously, debugging, hot spraying equipment also drops into hard polyurethane foam coating in spraying equipment, spraying application is carried out after to be melted, examination spraying is carried out before large area spraying, according to insulation, thickness requirement determination quantity for spray, spraying application is carried out to surrounding from 10cm-20cm place, Shui Luokou edge, wherein, spraying application adopts first low rear high order to construct,
6) second time self-inspection and examination: spray defective during self-check as found, needs to carry out secondary spray coating foaming until next process construction of being allowed for access after passed examination;
7) uvioresistant water-repellent paint overcoat is sprayed: after insulation layer acceptance(check), carry out the construction of uvioresistant waterproofing protection, carry out cracking resistance uvioresistant Waterproof sand oar by predetermined ratio to feed intake, hand blender is adopted to stir after feeding intake, start to carry out spraying application after material stirs, the water mouth place that falls uses cracking resistance uvioresistant waterproofing mortar to smear into smooth; Wherein, spraying application adopts spraying method while stirring to construct, and adopts special wiper to carry out wiper smooth simultaneously, must not have drain spray phenomenon, spraying application adopt first far away after near, the order that spraying limit, limit retreats is constructed;
8) third time self-inspection and examination: uvioresistant water-repellent paint overcoat spraying application, after three hours, checks whether uniform ground, if there is non-uniform phenomenon, repairs;
Further, comprise namely there being the basic unit of roofing to carry out cleaning:
1) clear up existing roofing: use steel brush to remove the pollutant on existing waterproofing course surface, limit cleaning just reclaims pollutant with dust catcher;
2) namely trimming has surface layer: after surface contaminant complete liquidation, hollowing and damage location are scratched and cleared up internal contamination thing by use instrument, has cleared up rear use butyl rubber and plastic water-repellent paint and has carried out spraying repairing;
3) connection detail cleaning: the hollowing at detail treatment place and damage location scratched and clear up internal contamination thing, has cleared up rear use butyl rubber and plastic water-repellent paint and has carried out spraying repairing; Wherein, described detail treatment comprises seam, negative and positive angle, parapet, gutter, eaves gutter, cornice, wall feed-through pipeline, the intersection of depths roof pipeline and roof plan, roof edge place.
Further, step 2) described in glass fabric size comprise 8 × 8-10 × 8.
Further, in step 3), coiled material sticking construction carries out to facade order according to from plane, and wherein, detail treatment place arranges additional waterproof course, and described additional waterproof course is the butyl rubber and plastic waterproof coating layer that thickness is more than or equal to 3.0mm.
Further, in step 5), hard polyurethane foam is divided into first material and second material in proportion and is contained in two charging baskets respectively, after flush coater suction tube puts into two charging baskets on request respectively, flush coater starts heating, start after to be melted to carry out insulation layer spraying application, described first material is the performed polymer with polyalcohol and excess of polyisocyanate synthesis, and second material is made up of curing compound, chain extender, auxiliary agent and filler; Wherein the raw material weight component of first material is 50% polyalcohol and 50% excess of polyisocyanate, wherein polyalcohol is 40% polyglycerol ether, 40% polypropylene glycol and 20% glyceride composition, polyisocyanates is 50% 2,4-toluene di-isocyanate(TDI) and 50% the mixture of 2,6-toluene di-isocyanate(TDI)s; The raw material weight component of second material is 50% curing compound, 20% chain extender, 20% auxiliary agent and 10% filler, curing compound is by 60% 3,3'-bis-chloro-4,4'-diaminodiphenyl-methane and 40% polypropylene glycol be prepared from, chain extender is diethyltoluene methylamine, auxiliary agent is mixed by 30% defoamer, 20% accelerator, 30% levelling agent and 20% anti-settling agent; Filler be by the French chalk of 30%, 30% the calcium carbonate of perlite 30% and the carbon black of 10% mix.
Beneficial effect of the present invention: namely waterproof construction of the present invention need not be removed has roofing, directly can carry out system construction; Energy-conserving and environment-protective; Construction cost is low, good water-proof effect, construction safety and do not affect the load-bearing quality of Building Design.
Detailed description of the invention
Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of protection of the invention.
Namely a kind of according to embodiments of the invention have the waterproof thermal-insulated construction method of the energy-saving environment-protecting type of roofing, comprises following concrete steps:
1) anti-cracking and waterproofing mortar is sprayed: after base cleaning is clean, anti-cracking waterproof sand oar is fed intake in proportion, hand blender is adopted to stir after feeding intake, start to carry out spraying application after material stirs, should spraying application while stirring during spraying application, special wiper is adopted to carry out wiper during spraying smooth, should note first far away rear near during spraying application, the principle that spraying limit, limit retreats, underfooting should be noted when stepping back, in case the generation of danger, spray in latter about three hours and can go up people, check whether uniform ground, if there is non-uniform phenomenon, carry out repairing,
2) agent of waterproofing course coat substrate interface is exposed: after base cleaning is clean, first spraying equipment is debugged, heating, drop into basic unit's interface agent, start after to be melted to carry out interface spraying, protective site clothing should have been dressed before spraying, with anti-scald, the same with spraying anti-cracking waterproof sand oar first far away rear near during spraying interface agent, take care, prevent from scalding, Striping operators will notice that spraying is wanted evenly, grinning effect must not be had, after spraying interface completes, carry out paving glass fabric (being advisable with 8 × 8-10 × 8), compacting will be flattened during laying, there is not tilting phenomenon, all connection details all want even application, grinning effect must not be had, described glass fabric will be laid smooth, during practice of construction, whether be exposed or lugless brick according to place where troops were originally stationed water layer, determine to adopt anti-cracking and waterproofing mortar as interface agent or other raw materials as interface agent,
3) butyl rubber and plastic water-repellent paint is sprayed: after above various project is finished, spraying equipment is debugged, heating, drop into butyl rubber and plastic water-repellent paint, start after to be melted to carry out waterproofing course spraying application, it should be noted that when waterproof construction its minimum thickness is not less than 1.5mm, gross thickness is not less than 2.4mm, first construction from all drain gullies and this surface layer bottom position, high, first far away rear near at first the end, spraying wants thin and thick even, and spraying limit, limit retreats and constructs;
4) first time self-inspection and examination: seal unreal during self-check as found, the phenomenons such as tilting should seal in time, repair, and must not stay any hidden danger, site operation person, Quality Inspector must be joined a regular shift or class inspection, next process of being allowed for access after passed examination construction;
5) spraying polyurethane rigid foam: carry out insulation layer construction after waterproof construction acceptance(check), some thickness marks are evenly arranged in the region of the hard heat-insulated layer of predetermined spraying polyurethane before construction, thickness mark is perpendicular to base course wall, from base course wall to insulation layer external surface, simultaneously, spraying equipment is debugged, heating, drop into hard polyurethane foam coating, start after to be melted to carry out insulation layer spraying application, construct from all drain gullies and this surface layer bottom position, high at first the end, first far away rear near, spraying wants thin and thick even, spraying limit, limit retreats and constructs, must not spray apart from drain gully 10cm ~ 20cm place when noting spraying polyurethane rigid foam, and require before large area spraying to carry out examination spraying to determine quantity for spray,
6) second time self-inspection and examination: spray defective during self-check as found, needs to carry out secondary spray coating foaming until next process construction of being allowed for access after passed examination;
7) uvioresistant water-repellent paint overcoat is sprayed: after waterproof construction acceptance(check), carry out the construction of uvioresistant waterproofing protection, uvioresistant water-repellent paint is fed intake in proportion, stir by hand blender after feeding intake, start to carry out protection spraying application after material stirs, to keep spraying evenly during spraying, there is not drain spray phenomenon, to reduce application life;
8) third time self-inspection and examination: spray after uvioresistant water-repellent paint completes and can go up people in about three hours, check whether even, if there is non-uniform phenomenon, repair, repair qualified after submit a report asking for examination, be all delivered for use at once after acceptance(check).
In addition, in a specific embodiment, material prepares, instrument prepares, basic unit prepares and security against fire prepares to have the preparation before roof waterproof construction to comprise shortly.
In addition, in a specific embodiment, described material prepares to comprise the main material of waterproof and the auxiliary material of waterproof, and the main material of described waterproof comprises butyl rubber and plastic water-repellent paint and the polyurethane heat insulating material that hard bubbles; The auxiliary material of described waterproof comprises uvioresistant water-repellent paint, anti-cracking and waterproofing mortar and glass fabric.
In addition, in a specific embodiment, described instrument prepares to comprise little grafter, dust catcher, pocket knife, wood, steel trowel, steel brush, broom, coating applicators, protection flush coater, scraper plate, rolling brush, hairbrush, palm, pliers, protective gloves, protective site clothing and Protection helmet.
In addition, in a specific embodiment, described basic unit prepares to comprise following concrete steps:
1) roofing is repaired in cleaning: according to the situation namely having roofing, first namely there being waterproofing course steel brush whole bristle removing pollutant, in the process of brush, the pollutant brushed off exhausts and (compares and adopt water punching can energy conservation by brush limit, limit dust catcher, compare and adopt hair-dryer to reduce environment pollution, adopt dust catcher environmental protection more);
2) namely trimming has surface layer: after pollutant complete liquidation, carry out the process of hollowing, breakage again, processing method is that hollowing and breakage cutter are scratched, and then clears up the dirt of the inside, has cleared up rear employing butyl rubber and plastic water-repellent paint and has carried out spraying repairing;
3) connection detail cleaning: general drain gully is all smaller, easily block again, so must original waterproofing course cutting of drain gully periphery be removed clean before repairerment, namely cutting disassembling is carried out in negative and positive angle, pipe root detail treatment place first surface layer breakage and hollowing place, can carry out waterproof construction after basic unit is repaired in dust suction cleaning.
If needed, the lifting (determining with engineering practice) that scaffold carries out material should be set up.
In addition, in a specific embodiment, the construction of step 3) butyl rubber and plastic water-repellent paint, three-in-one self-adhesion waterproof protective coiled material compound comprises following concrete steps:
3.1) drain gully construction: spray gun surrounding spraying in drain gully be adopted, the waterproof roll cut out by O. gracilipes is pasted on spraying limit, limit, use steel shovel compacting if desired, should note during drain gully construction, from drain gully edge, carry out spraying bonding coiled material towards periphery in 50cm, and want to want compacting between thin and thick uniform coating and coiled material, become as a whole, again ftracture in case here produce;
3.2) gutter, eaves gutter construction: the construction processing first should carrying out gutter, eaves gutter before large area waterproof construction, waterproof roll should be pasted from the lowest part of ditch, eaves to spraying limit, highest point limit during construction, limit adhesive rim compacting is answered when pasting coiled material, after coiled material has been laid, then spray one deck and be greater than the thick butyl rubber and plastic water-repellent paint of 1.5mm;
3.3) parapet construction: should note during these position waterproof constructions, according to the situation of this roofing, first inner corner trim part should be carried out spraying application, when Striping operators should note spraying, want thin and thick to spray along inner corner trim uniformly, should construct by height during spraying at first the end, in case cause phenomenon of turning one's coat, parapet construction time should first coiled material than good, after compression, limit spraying limit compacting is pasted from plane to facade, when affixing to inner corner trim, application trowel, along inner corner trim compacting, must not have hollowing phenomenon;
3.4) setting of extra play: should arrange waterproof additional enhancement layer in portions such as flat facade junction, turning point, negative and positive angle, Guan Gen, all adopts and carries out spraying application with the butyl rubber and plastic water-repellent paint of required thickness one times, coiled material must not be used to do extra play;
3.5) large surface construction: after above various project is finished, first spraying equipment is debugged, drop into butyl rubber and plastic water-repellent paint to heat, get out three-in-one self-adhesion waterproof protective coiled material simultaneously, reference line work is finished before constructing again, start after to be melted to carry out spraying application, during waterproof construction, first coiled material along the reference line finished than good coiled material, after one end is pasted in spraying, from the coiled material other end, coiled material is tightened up, then spray along the reference line finished, note during spraying spraying and exceed reference line, spraying limit, limit is answered to carry out the stickup of coiled material during spraying application, compacting limit, limit is answered to paste during stickup, after first volume coiled material has been constructed, carry out the construction with volume Two coiled material, volume Two coiled material, during than volume, first volume coiled material (it is wide that coiled material lapping pressure head is not less than 10cm) should be pushed down, after coiled material is spooled, first the spraying of overlap joint termination is pasted, start again to paste coiled material, construction is to the end of basal plane by that analogy, spraying pressure head is carried out after being at the end, seal, after benchmark coiled material pastes, carry out limit connect construction, while when connecing construction, should along the benchmark releasing coil laid, such as, rolling (it is wide that its limit place of connecing should be not less than 10cm), first termination is sprayed firm pasting after rolling, start again to paste coiled material, while when connecing stickup coiled material, should note during spraying being not less than the wide coating of 10cm to the many sprayings in benchmark coiled material side, better to paste, construction is to the end of basal plane by that analogy, receipts head means of press seals is carried out after being at the end, seal while connect,
3.6) the connection detail construction in waterproof construction: detail treatment (flat facade junction, wall pipe etc.) is all the weak link of waterproofing, must carry out targetedly rationally, the design of safety, science require high-quality constructing operation, the globality of guarantee roof waterproof system and airtight impermeability.
In addition, in a specific embodiment, all site operation personnel must dress protective articles, and other staff must not be had to stop scene.
In addition, in a specific embodiment, in step 5), hard polyurethane foam is divided into first material and second material in proportion and is contained in two charging baskets respectively, after flush coater suction tube puts into two charging baskets on request respectively, flush coater starts heating, start after to be melted to carry out insulation layer spraying application, described first material is the performed polymer with polyalcohol and excess of polyisocyanate synthesis, and second material is made up of curing compound, chain extender, auxiliary agent and filler; Wherein the raw material weight component of first material is 50% polyalcohol and 50% excess of polyisocyanate, wherein polyalcohol is 40% polyglycerol ether, 40% polypropylene glycol and 20% glyceride composition, polyisocyanates is 50% 2,4-toluene di-isocyanate(TDI) and 50% the mixture of 2,6-toluene di-isocyanate(TDI)s; The raw material weight component of second material is 50% curing compound, 20% chain extender, 20% auxiliary agent and 10% filler, curing compound is by 60% 3,3'-bis-chloro-4,4'-diaminodiphenyl-methane and 40% polypropylene glycol be prepared from, chain extender is diethyltoluene methylamine, auxiliary agent is mixed by 30% defoamer, 20% accelerator, 30% levelling agent and 20% anti-settling agent; Filler be by the French chalk of 30%, 30% the calcium carbonate of perlite 30% and the carbon black of 10% mix.
In addition, in a specific embodiment, before doing construction of waterproof layer, whether be exposed according to place where troops were originally stationed water layer in step 1) or lugless brick select whether use anti-cracking and waterproofing mortar as interface agent.The weight of 3 ~ 8 kilograms every square metre, should not ring the load-bearing quality of Building Design.
In sum, by means of technique scheme of the present invention, namely waterproof construction of the present invention need not be removed has roofing, directly can carry out system construction; Energy-conserving and environment-protective; Construction cost is low, good water-proof effect, construction safety and do not affect the load-bearing quality of Building Design.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. namely there is the waterproof thermal-insulated construction method of the energy-saving environment-protecting type of roofing, it is characterized in that, comprise following concrete steps:
1) anti-cracking and waterproofing mortar is sprayed: clear up namely there being the basic unit of roofing, after base cleaning is clean, carry out anti-cracking waterproof sand oar by predetermined ratio to feed intake, hand blender is adopted to stir after feeding intake, start to carry out spraying application after material stirs, and after three hours, check whether uniform ground in construction, if there is non-uniform phenomenon, repair; Wherein, to when namely having the basic unit of roofing to clear up, the existing waterproofing course of mouthful periphery of being fallen by water carries out excision process, and, when spraying application, spraying application adopts spraying method while stirring to construct, and adopts special wiper to carry out wiper smooth simultaneously, spraying application adopts first far away rear near, and the order that spraying limit, limit retreats is constructed;
2) expose the agent of waterproofing course coat substrate interface: basic unit clears up to cracking resistance Waterproof sand oar, debugging, hot spraying equipment drop into basic unit's interface agent in spraying equipment, carry out spraying application after to be melted, laying glass fabric after spraying application completes; Wherein, spraying application adopts first rear nearly order far away to construct, and all connection details all carry out even application, and must not have grinning effect, glass fabric must not lay tilting phenomenon simultaneously;
3) butyl rubber and plastic water-repellent paint is sprayed: after glass fabric has been laid, debugging, hot spraying equipment drop into butyl rubber and plastic water-repellent paint in spraying equipment, start after to be melted to carry out spraying application, wherein, the water mouthful place that falls sprays according to the principle sprayed to edge from inside, Shui Luokou edge stretch out 50cm scope in carry out spraying application by one times of predetermined coating thickness, outside coiled material, predetermined coating thickness is more than or equal to 3mm; Wherein, spray and want thickness evenly and adopt first far away rear near, the order that spraying limit, limit retreats is constructed;
4) first time self-inspection and examination: seal hollowing, breakage and tilting place and repair, enters next process construction after passed examination;
5) spraying polyurethane rigid foam: carry out insulation layer construction after construction of waterproof layer acceptance(check), some thickness marks are evenly arranged in the region of the hard heat-insulated layer of predetermined spraying polyurethane before construction, thickness mark is perpendicular to base course wall, from base course wall to insulation layer external surface, simultaneously, debugging, hot spraying equipment also drops into hard polyurethane foam coating in spraying equipment, spraying application is carried out after to be melted, examination spraying is carried out before large area spraying, according to insulation, thickness requirement determination quantity for spray, spraying application is carried out to surrounding from 10cm-20cm place, Shui Luokou edge, wherein, spraying application adopts first low rear high order to construct,
6) second time self-inspection and examination: spray defective during self-check as found, needs to carry out secondary spray coating foaming until next process construction of being allowed for access after passed examination;
7) uvioresistant water-repellent paint overcoat is sprayed: after insulation layer acceptance(check), carry out the construction of uvioresistant waterproofing protection, carry out cracking resistance uvioresistant Waterproof sand oar by predetermined ratio to feed intake, hand blender is adopted to stir after feeding intake, start to carry out spraying application after material stirs, the water mouth place that falls uses cracking resistance uvioresistant waterproofing mortar to smear into smooth; Wherein, spraying application adopts spraying method while stirring to construct, and adopts special wiper to carry out wiper smooth simultaneously, must not have drain spray phenomenon, spraying application adopt first far away after near, the order that spraying limit, limit retreats is constructed;
8) third time self-inspection and examination: uvioresistant water-repellent paint overcoat spraying application, after three hours, checks whether uniform ground, if there is non-uniform phenomenon, repairs.
2. namely according to claim 1 have the waterproof thermal-insulated construction method of the energy-saving environment-protecting type of roofing, it is characterized in that, carries out cleaning comprise namely there being the basic unit of roofing:
1) clear up existing roofing: use steel brush to remove the pollutant on existing waterproofing course surface, limit cleaning just reclaims pollutant with dust catcher;
2) namely trimming has surface layer: after surface contaminant complete liquidation, hollowing and damage location are scratched and cleared up internal contamination thing by use instrument, has cleared up rear use butyl rubber and plastic water-repellent paint and has carried out spraying repairing;
3) connection detail cleaning: the hollowing at detail treatment place and damage location scratched and clear up internal contamination thing, has cleared up rear use butyl rubber and plastic water-repellent paint and has carried out spraying repairing; Wherein, described detail treatment comprises seam, negative and positive angle, parapet, gutter, eaves gutter, cornice, wall feed-through pipeline, the intersection of depths roof pipeline and roof plan, roof edge place.
3. namely according to claim 2 have the waterproof thermal-insulated construction method of the energy-saving environment-protecting type of roofing, it is characterized in that, step 2) described in glass fabric size comprise 8 × 8-10 × 8.
4. namely according to claim 3 have the waterproof thermal-insulated construction method of the energy-saving environment-protecting type of roofing, it is characterized in that, in step 3), coiled material sticking construction carries out to facade order according to from plane, wherein, detail treatment place arranges additional waterproof course, and described additional waterproof course is the butyl rubber and plastic waterproof coating layer that thickness is more than or equal to 3.0mm.
5. namely according to claim 4 have the waterproof thermal-insulated construction method of the energy-saving environment-protecting type of roofing, it is characterized in that, in step 5), hard polyurethane foam is divided into first material and second material in proportion and is contained in two charging baskets respectively, after flush coater suction tube puts into two charging baskets on request respectively, flush coater starts heating, start after to be melted to carry out insulation layer spraying application, described first material is the performed polymer with polyalcohol and excess of polyisocyanate synthesis, and second material is made up of curing compound, chain extender, auxiliary agent and filler; Wherein the raw material weight component of first material is 50% polyalcohol and 50% excess of polyisocyanate, wherein polyalcohol is 40% polyglycerol ether, 40% polypropylene glycol and 20% glyceride composition, polyisocyanates is 50% 2,4-toluene di-isocyanate(TDI) and 50% the mixture of 2,6-toluene di-isocyanate(TDI)s; The raw material weight component of second material is 50% curing compound, 20% chain extender, 20% auxiliary agent and 10% filler, curing compound is by 60% 3,3'-bis-chloro-4,4'-diaminodiphenyl-methane and 40% polypropylene glycol be prepared from, chain extender is diethyltoluene methylamine, auxiliary agent is mixed by 30% defoamer, 20% accelerator, 30% levelling agent and 20% anti-settling agent; Filler be by the French chalk of 30%, 30% the calcium carbonate of perlite 30% and the carbon black of 10% mix.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110424764A (en) * | 2019-08-07 | 2019-11-08 | 中建八局第三建设有限公司 | A kind of reconstruction of the old city town color steel tile roof goes out novel construction method |
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